Dolomia Principale

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Representation and status

Index
t5
CMYK Color
0 / 40 / 65 / 0
RGB color
R: 250 G: 170 B: 105
Rank
lithostratigraphic Group
Validity
Unit is in Use
Status
incorrect name (though informally used)
SCS note
-
SCS date
-
Comment
-

Nomenclature

German

Dolomia Principale

French

Dolomie principale

Italian

Dolomia Principale

English

Dolomia Principale

Origin of the Name
-
Historical Variants
Dolomia superiore (Stoppani 1857), Hauptdolomit (Lepsius 1878), Haupt Dolomit mit Megalodon Gümbeli = Dolomie supérieure (GK100), Norien = Hauptdolomit (Senn 1924), Dolomia Principale (Bersezio et al. 2004, Bernoulli et al. 2018), Main Dolomite
Nomenclatorial Remarks
-

Synonyms

Synonyms
Non-synonyms
Possible confusion

Description

Description
Seine Hauptmerkmale sind regelmässige Bankung, Kompaktheit und verhältnismässig grosse Härte. (Senn 1924)
Geomorphology
-
Thickness
0-400 m (Senn 1924 ; präliasische Abtragung) ; sogar bis über 1000 m.

Components

Lithological content
  • dolostone
Mineral content
-
Fossil content
  • gastropods
  • trace fossils
  • algae
  • bivalves

Hierarchy and succession

Age

Age at top
Middle Norian
Note about top
-
Age at base
Early Norian
Note about base
-
Dating method
Norico inferiore e medio (Jadoul et al., 1994)

Geography

Geographical extent
Monte San Giorgio
Type area
-
Type locality
-
Type profile
-
Reference profiles
-
Point of interest
-

Paleogeography and tectonic

Paleogeography
-
Kind of protolith
  • sedimentary
Conditions of formation
Intertidal to supratidal environment (shrinkage cracks, algal stromatolites, saurian tracks)
Sequence
-
Tectonic Unit (resp. main category)
South Alpine
  • Canavese zone
  • Ivrea-Verbano zone
  • Strona-Ceneri Zone
  • Val Colla Zone
  • Tertiary Po Basin
Metamorphism
non metamorphic
Metamorphic facies
-
Note on metamorphism
-

References

Definition
-
Revision
-
Important publications
-

Material and varia

Applications
-
  • «Brecce sommitali della Dolomia Principale» Show details

    Origin of the Name
    -
    Rank
    lithostratigraphic unit
    Status
    incorrect name (though informally used)
    Valid name
    In Short
    Prevalenti brecce dolomitiche grigie e grigio scure, massive con litofacies tipiche di una piattaforma marginale-pendio associate a dolomie biocostruite a serpulidi e microbialiti.
    Age
    Norian - Norian
    Thickness
    -
    Geographical extent
    -
    Type area
    -
    Comment
    -
  • «Membro basale della Dolomia Principale» Show details

    Origin of the Name
    -
    Rank
    lithostratigraphic Member
    Status
    incorrect name (though informally used)
    Valid name
    In Short
    Litofacies basale della Dolomia Principale, costituita da dolomie scure stratificate.
    Age
    Late Carnian - Early Norian
    Thickness
    -
    Geographical extent
    -
    Type area
    -
    Comment
    -